<span>Two typed letters, first from James Parmelee to Charles F. Brush, Sr. written on November 4, 1926 telling Brush about the enclosed typed letter from John R. Merriam to James Parmelee, written on November 1, 1926, in </span><span>which Merriam thanks Parmelee for sending a copy of the paper on Kinetic Theory of Gravitation by Brush to Merriam.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 2: Acknowledgments (1921-1929)Box 3Folder 4</span>